Actually, our issues had nothing to do with old backup methodology. Cost of open storage was a concern but we would have probably been OK with that. The real issue is if a 3590K tape is dropped, the chances of it being readable are bordering on slim and none, same is true for LTO and 9840. The Vault people are never going to admit they dropped a tape. These people get paid $6/hr and need the job. So, it gets into physical protection of the media and the ability to rely on its readability which is ultimately a data integrity issue. Data integrity is the reason we do this.
Paul D. Seay, Jr. Technical Specialist Naptheon Inc. 757-688-8180 -----Original Message----- From: Mark Stapleton [mailto:stapleto@;BERBEE.COM] Sent: Wednesday, October 23, 2002 8:28 AM To: [EMAIL PROTECTED] Subject: Re: Offsite Vaulting with Locked Canisters From: ADSM: Dist Stor Manager [mailto:ADSM-L@;VM.MARIST.EDU]On Behalf Of Seay, Paul > Think for a second, if reclaimation supported a days option versus the > current percent utilized option. If that was the case you could set > that number of days about 7 days less than when the closed boxes are > to return and achieve the goal. > > Well, I have written the code to do just that via the MOVE DATA vvvvvv > RECONSTRUCT=YES based on the change date in the drmedia table. We have > been doing this for about 9 months now, very successfully. > > I still use DRM for its management functionality, but I would not > require it to achieve the goal. The point I was making (perhaps not too successfully) is that all attempts to perform cannister-based "batch" offsiting are just trying to make TSM mimic the behavior of <ahem> lesser backup systems. Backup Exec, Arcserve, and Netbackup all work on the "batch of tapes" system of offsiting. Granted, TSM's method of offsiting is based on manipulation of individual tape volumes, which can be laborious when handling large numbers of tapes. That's the way TSM works out of the box, and I for one don't see much reason to go into elaborate scripting efforts and large-scale MOVE DATA and MOVE NODEDATA gymnastics to get to a goal that TSM handles quite nicely all by itself. As I've stated in the ADSM-L FAQ, you're not using your old backup software anymore. -- Mark Stapleton ([EMAIL PROTECTED]) Certified TSM consultant Certified AIX system engineer MCSE
